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The nature-nurture debate relates to the relative importance of heredity and environment on behaviour. The nurture side of the debate argues that environmental experience (pre- and post-natal) shape our b...

When an action potential reaches the synaptic knob of the pre synaptic neurone, this causes calcium ion channels to open. This leads to an influx of calcium ions ( Ca2+) into the synaptic knob. Presence o...

First, you must look at the question given to you and decide your argument. It is important to be clear through your writing. Your introduction should lay out your key argument clearly, and answer the que...

The key is to realize that displacement, velocity and acceleration all vary sinusoidally, with the graph of each being displaced relative to the preceding one by 90 degrees; thinking about these three gra...

The photoelectric effect is light incident on a metal’s surface causing the spontaneous emission of electrons. The classical wave theory of electromagnetic radiation predicted the kinetic energy of emitte...